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        Module&nbsp;datafilter
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<h1 class="epydoc">Source Code for <a href="simvoc.input.datafilter-module.html">Module simvoc.input.datafilter</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-comment">#!/usr/bin/env python</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-comment"># Generic data filtering functions</tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-comment"># Author:   Mike Murphy &lt;mamurph@cs.clemson.edu&gt;</tt> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"><tt class="py-comment"># Revision: 23 September 2009</tt> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-comment">#   Copyright 2009 Clemson University</tt> </tt>
<a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"><tt class="py-comment">#   Licensed under the Apache License, Version 2.0 (the "License");</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"><tt class="py-comment">#   you may not use this file except in compliance with the License.</tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line"><tt class="py-comment">#   You may obtain a copy of the License at</tt> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-comment">#       http://www.apache.org/licenses/LICENSE-2.0</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-comment">#   Unless required by applicable law or agreed to in writing, software</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-comment">#   distributed under the License is distributed on an "AS IS" BASIS,</tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"><tt class="py-comment">#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</tt> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-comment">#   See the License for the specific language governing permissions and</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-comment">#   limitations under the License.</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line"><tt class="py-comment"># This material is based upon work supported under a National Science</tt> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"><tt class="py-comment"># Foundation Graduate Research Fellowship. Any opinions, findings,</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt class="py-comment"># conclusions or recommendations expressed in this publication are those of</tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"><tt class="py-comment"># the author(s) and do not necessarily reflect the views of the National</tt> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"><tt class="py-comment"># Science Foundation.</tt> </tt>
<a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line"> </tt>
<a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line"><tt class="py-docstring">'''</tt> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line"><tt class="py-docstring">Filtering functions for individual rows of input data, where each row is</tt> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line"><tt class="py-docstring">a sequence (usually a list) of data items. These functions provide simple</tt> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line"><tt class="py-docstring">intermediate processing capabilities.</tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line"><tt class="py-docstring">'''</tt> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line"> </tt>
<a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">time</tt><tt class="py-op">,</tt> <tt class="py-name">calendar</tt> </tt>
<a name="L35"></a><tt class="py-lineno"> 35</tt>  <tt class="py-line"> </tt>
<a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line"> </tt>
<a name="SEL_ALWAYS"></a><div id="SEL_ALWAYS-def"><a name="L37"></a><tt class="py-lineno"> 37</tt> <a class="py-toggle" href="#" id="SEL_ALWAYS-toggle" onclick="return toggle('SEL_ALWAYS');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="simvoc.input.datafilter-module.html#SEL_ALWAYS">SEL_ALWAYS</a><tt class="py-op">(</tt><tt class="py-param">row</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SEL_ALWAYS-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="SEL_ALWAYS-expanded"><a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line">   <tt class="py-docstring">'''</tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line"><tt class="py-docstring">   Simple row selector that always selects a row.</tt> </tt>
<a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line"><tt class="py-docstring">   @param row: Row to select</tt> </tt>
<a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line"><tt class="py-docstring">   @type row: sequence</tt> </tt>
<a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line"><tt class="py-docstring">   @rtype: bool</tt> </tt>
<a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line"><tt class="py-docstring">   @return: True</tt> </tt>
<a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line"><tt class="py-docstring">   '''</tt> </tt>
<a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line">   <tt class="py-keyword">return</tt> <tt class="py-name">True</tt> </tt>
</div><a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line"> </tt>
<a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line"> </tt>
<a name="SEL_NEVER"></a><div id="SEL_NEVER-def"><a name="L51"></a><tt class="py-lineno"> 51</tt> <a class="py-toggle" href="#" id="SEL_NEVER-toggle" onclick="return toggle('SEL_NEVER');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="simvoc.input.datafilter-module.html#SEL_NEVER">SEL_NEVER</a><tt class="py-op">(</tt><tt class="py-param">row</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SEL_NEVER-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="SEL_NEVER-expanded"><a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line">   <tt class="py-docstring">'''</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line"><tt class="py-docstring">   Simple row selector that never selects a row</tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line"><tt class="py-docstring">   @param row: Row to select</tt> </tt>
<a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line"><tt class="py-docstring">   @type row: sequence</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line"><tt class="py-docstring">   @rtype: bool</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line"><tt class="py-docstring">   @return: False</tt> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line"><tt class="py-docstring">   '''</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">   <tt class="py-keyword">return</tt> <tt class="py-name">False</tt> </tt>
</div><a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line"> </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line"> </tt>
<a name="select_row"></a><div id="select_row-def"><a name="L65"></a><tt class="py-lineno"> 65</tt> <a class="py-toggle" href="#" id="select_row-toggle" onclick="return toggle('select_row');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="simvoc.input.datafilter-module.html#select_row">select_row</a><tt class="py-op">(</tt><tt class="py-param">row</tt><tt class="py-op">,</tt> <tt class="py-param">row_filter</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="select_row-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="select_row-expanded"><a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">   <tt class="py-docstring">'''</tt> </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line"><tt class="py-docstring">   Selects rows based on filtering criteria established by an external</tt> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line"><tt class="py-docstring">   function. The row filter may be a function or a tuple. If a function is</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line"><tt class="py-docstring">   used, the function will be invoked with a single argument: the row itself.</tt> </tt>
<a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line"><tt class="py-docstring">   When a tuple is specified, the function to be invoked will be the first</tt> </tt>
<a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line"><tt class="py-docstring">   item in the tuple. The first argument to the function will be the row,</tt> </tt>
<a name="L72"></a><tt class="py-lineno"> 72</tt>  <tt class="py-line"><tt class="py-docstring">   followed by the remaining tuple items as verbatim arguments.</tt> </tt>
<a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line"><tt class="py-docstring">   @param row: Row to test</tt> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line"><tt class="py-docstring">   @type row: sequence</tt> </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line"><tt class="py-docstring">   @param row_filter: Row filter (function or tuple)</tt> </tt>
<a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line"><tt class="py-docstring">   @rtype: bool</tt> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line"><tt class="py-docstring">   @return: True if the row has been accepted, False if it has been rejected</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line"><tt class="py-docstring">   '''</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line">   <tt class="py-name">sel_line</tt> <tt class="py-op">=</tt> <tt class="py-name">True</tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line">   <tt class="py-keyword">if</tt> <tt class="py-name">row_filter</tt><tt class="py-op">:</tt> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line">      <tt class="py-keyword">for</tt> <tt class="py-name">item</tt> <tt class="py-keyword">in</tt> <tt class="py-name">row_filter</tt><tt class="py-op">:</tt> </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line">         <tt class="py-keyword">if</tt> <tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">item</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">tuple</tt><tt class="py-op">:</tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">item</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">(</tt><tt class="py-name">row</tt><tt class="py-op">,</tt> <tt class="py-op">*</tt><tt class="py-name">item</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">:</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line">               <tt class="py-name">sel_line</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line">               <tt class="py-keyword">break</tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line">         <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">item</tt><tt class="py-op">(</tt><tt class="py-name">row</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line">               <tt class="py-name">sel_line</tt> <tt class="py-op">=</tt> <tt class="py-name">False</tt> </tt>
<a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line">               <tt class="py-keyword">break</tt> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line">   <tt class="py-keyword">return</tt> <tt class="py-name">sel_line</tt> </tt>
</div><a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line"> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line"> </tt>
<a name="filter_row"></a><div id="filter_row-def"><a name="L96"></a><tt class="py-lineno"> 96</tt> <a class="py-toggle" href="#" id="filter_row-toggle" onclick="return toggle('filter_row');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="simvoc.input.datafilter-module.html#filter_row">filter_row</a><tt class="py-op">(</tt><tt class="py-param">row</tt><tt class="py-op">,</tt> <tt class="py-param">col_filter</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="filter_row-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="filter_row-expanded"><a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line">   <tt class="py-docstring">'''</tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line"><tt class="py-docstring">   Filters the columns of a row, returning a new row in filter order. If the</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line"><tt class="py-docstring">   row does not match the filter, None is returned. In the event the filter</tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line"><tt class="py-docstring">   is None, a shallow copy of the row is returned.</tt> </tt>
<a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line"><tt class="py-docstring">   The column filter must be a sequence (nominally a tuple). Each item in</tt> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line"><tt class="py-docstring">   the sequence constitutes a filter to match. An integer item matches a</tt> </tt>
<a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line"><tt class="py-docstring">   column number in the row (yielding Exceptions in case of invalid numbers).</tt> </tt>
<a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line"><tt class="py-docstring">   If a tuple is used as an item in the outer sequence, then the first item</tt> </tt>
<a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line"><tt class="py-docstring">   of the inner tuple is invoked as a function, passing the row, followed by</tt> </tt>
<a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line"><tt class="py-docstring">   the remaining tuple items, as arguments. Finally, any non-int, non-tuple</tt> </tt>
<a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line"><tt class="py-docstring">   type is treated as a function invoked with a single argument: the row</tt> </tt>
<a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line"><tt class="py-docstring">   itself. Any such function must return the verbatim item to be included in</tt> </tt>
<a name="L110"></a><tt class="py-lineno">110</tt>  <tt class="py-line"><tt class="py-docstring">   the filtered row, or None if nothing should be inserted.</tt> </tt>
<a name="L111"></a><tt class="py-lineno">111</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L112"></a><tt class="py-lineno">112</tt>  <tt class="py-line"><tt class="py-docstring">   @param row: Row to be filtered</tt> </tt>
<a name="L113"></a><tt class="py-lineno">113</tt>  <tt class="py-line"><tt class="py-docstring">   @type row: sequence</tt> </tt>
<a name="L114"></a><tt class="py-lineno">114</tt>  <tt class="py-line"><tt class="py-docstring">   @param col_filter: Filter sequence as described above</tt> </tt>
<a name="L115"></a><tt class="py-lineno">115</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L116"></a><tt class="py-lineno">116</tt>  <tt class="py-line"><tt class="py-docstring">   @return: a newly filtered row as a list, or None if no filters match</tt> </tt>
<a name="L117"></a><tt class="py-lineno">117</tt>  <tt class="py-line"><tt class="py-docstring">   '''</tt> </tt>
<a name="L118"></a><tt class="py-lineno">118</tt>  <tt class="py-line">   <tt class="py-name">new_row</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L119"></a><tt class="py-lineno">119</tt>  <tt class="py-line">   <tt class="py-keyword">if</tt> <tt class="py-name">col_filter</tt><tt class="py-op">:</tt> </tt>
<a name="L120"></a><tt class="py-lineno">120</tt>  <tt class="py-line">      <tt class="py-keyword">for</tt> <tt class="py-name">item</tt> <tt class="py-keyword">in</tt> <tt class="py-name">col_filter</tt><tt class="py-op">:</tt> </tt>
<a name="L121"></a><tt class="py-lineno">121</tt>  <tt class="py-line">         <tt class="py-keyword">if</tt> <tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">item</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">int</tt><tt class="py-op">:</tt> </tt>
<a name="L122"></a><tt class="py-lineno">122</tt>  <tt class="py-line">            <tt class="py-name">new_row</tt><tt class="py-op">.</tt><tt id="link-0" class="py-name" targets="Method simvoc.core.duplicate_filter.DuplicateFilter.append()=simvoc.core.duplicate_filter.DuplicateFilter-class.html#append,Method simvoc.core.filter_results.ResultFilter.append()=simvoc.core.filter_results.ResultFilter-class.html#append,Method simvoc.core.kernel.Output.append()=simvoc.core.kernel.Output-class.html#append"><a title="simvoc.core.duplicate_filter.DuplicateFilter.append
simvoc.core.filter_results.ResultFilter.append
simvoc.core.kernel.Output.append" class="py-name" href="#" onclick="return doclink('link-0', 'append', 'link-0');">append</a></tt><tt class="py-op">(</tt><tt class="py-name">row</tt><tt class="py-op">[</tt><tt class="py-name">item</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L123"></a><tt class="py-lineno">123</tt>  <tt class="py-line">         <tt class="py-keyword">elif</tt> <tt class="py-name">type</tt><tt class="py-op">(</tt><tt class="py-name">item</tt><tt class="py-op">)</tt> <tt class="py-keyword">is</tt> <tt class="py-name">tuple</tt><tt class="py-op">:</tt> </tt>
<a name="L124"></a><tt class="py-lineno">124</tt>  <tt class="py-line">            <tt class="py-name">new_item</tt> <tt class="py-op">=</tt> <tt class="py-name">item</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">(</tt><tt class="py-name">row</tt><tt class="py-op">,</tt> <tt class="py-op">*</tt><tt class="py-name">item</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">:</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L125"></a><tt class="py-lineno">125</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">new_item</tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L126"></a><tt class="py-lineno">126</tt>  <tt class="py-line">               <tt class="py-name">new_row</tt><tt class="py-op">.</tt><tt id="link-1" class="py-name"><a title="simvoc.core.duplicate_filter.DuplicateFilter.append
simvoc.core.filter_results.ResultFilter.append
simvoc.core.kernel.Output.append" class="py-name" href="#" onclick="return doclink('link-1', 'append', 'link-0');">append</a></tt><tt class="py-op">(</tt><tt class="py-name">new_item</tt><tt class="py-op">)</tt> </tt>
<a name="L127"></a><tt class="py-lineno">127</tt>  <tt class="py-line">         <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L128"></a><tt class="py-lineno">128</tt>  <tt class="py-line">            <tt class="py-name">new_item</tt> <tt class="py-op">=</tt> <tt class="py-name">item</tt><tt class="py-op">(</tt><tt class="py-name">row</tt><tt class="py-op">)</tt> </tt>
<a name="L129"></a><tt class="py-lineno">129</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">new_item</tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L130"></a><tt class="py-lineno">130</tt>  <tt class="py-line">               <tt class="py-name">new_row</tt><tt class="py-op">.</tt><tt id="link-2" class="py-name"><a title="simvoc.core.duplicate_filter.DuplicateFilter.append
simvoc.core.filter_results.ResultFilter.append
simvoc.core.kernel.Output.append" class="py-name" href="#" onclick="return doclink('link-2', 'append', 'link-0');">append</a></tt><tt class="py-op">(</tt><tt class="py-name">new_item</tt><tt class="py-op">)</tt> </tt>
<a name="L131"></a><tt class="py-lineno">131</tt>  <tt class="py-line">   <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L132"></a><tt class="py-lineno">132</tt>  <tt class="py-line">      <tt class="py-name">new_row</tt> <tt class="py-op">=</tt> <tt class="py-name">row</tt><tt class="py-op">[</tt><tt class="py-op">:</tt><tt class="py-op">]</tt> </tt>
<a name="L133"></a><tt class="py-lineno">133</tt>  <tt class="py-line">   <tt class="py-comment">#</tt> </tt>
<a name="L134"></a><tt class="py-lineno">134</tt>  <tt class="py-line">   <tt class="py-keyword">if</tt> <tt class="py-name">new_row</tt> <tt class="py-op">==</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L135"></a><tt class="py-lineno">135</tt>  <tt class="py-line">      <tt class="py-name">new_row</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L136"></a><tt class="py-lineno">136</tt>  <tt class="py-line">   <tt class="py-keyword">return</tt> <tt class="py-name">new_row</tt> </tt>
</div><a name="L137"></a><tt class="py-lineno">137</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L138"></a><tt class="py-lineno">138</tt>  <tt class="py-line"> </tt>
<a name="L139"></a><tt class="py-lineno">139</tt>  <tt class="py-line"> </tt>
<a name="data_filter"></a><div id="data_filter-def"><a name="L140"></a><tt class="py-lineno">140</tt> <a class="py-toggle" href="#" id="data_filter-toggle" onclick="return toggle('data_filter');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="simvoc.input.datafilter-module.html#data_filter">data_filter</a><tt class="py-op">(</tt><tt class="py-param">row</tt><tt class="py-op">,</tt> <tt class="py-param">row_filter</tt><tt class="py-op">,</tt> <tt class="py-param">col_filter</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="data_filter-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="data_filter-expanded"><a name="L141"></a><tt class="py-lineno">141</tt>  <tt class="py-line">   <tt class="py-docstring">'''</tt> </tt>
<a name="L142"></a><tt class="py-lineno">142</tt>  <tt class="py-line"><tt class="py-docstring">   Applies a row selector and column filter to an input row, returning the</tt> </tt>
<a name="L143"></a><tt class="py-lineno">143</tt>  <tt class="py-line"><tt class="py-docstring">   filtered row (as a list) if selected, or None if either the row was not</tt> </tt>
<a name="L144"></a><tt class="py-lineno">144</tt>  <tt class="py-line"><tt class="py-docstring">   selected or the row did not match any filters.</tt> </tt>
<a name="L145"></a><tt class="py-lineno">145</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L146"></a><tt class="py-lineno">146</tt>  <tt class="py-line"><tt class="py-docstring">   @param row: Input row</tt> </tt>
<a name="L147"></a><tt class="py-lineno">147</tt>  <tt class="py-line"><tt class="py-docstring">   @type row: sequence</tt> </tt>
<a name="L148"></a><tt class="py-lineno">148</tt>  <tt class="py-line"><tt class="py-docstring">   @param row_filter: Row selector (see L{select_row} method)</tt> </tt>
<a name="L149"></a><tt class="py-lineno">149</tt>  <tt class="py-line"><tt class="py-docstring">   @param col_filter: Column filter (see L{filter_row} method)</tt> </tt>
<a name="L150"></a><tt class="py-lineno">150</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L151"></a><tt class="py-lineno">151</tt>  <tt class="py-line"><tt class="py-docstring">   @return: a filtered row (as a list) or None</tt> </tt>
<a name="L152"></a><tt class="py-lineno">152</tt>  <tt class="py-line"><tt class="py-docstring">   '''</tt> </tt>
<a name="L153"></a><tt class="py-lineno">153</tt>  <tt class="py-line">   <tt class="py-name">out_data</tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L154"></a><tt class="py-lineno">154</tt>  <tt class="py-line">   <tt class="py-keyword">if</tt> <tt id="link-3" class="py-name" targets="Function simvoc.input.datafilter.select_row()=simvoc.input.datafilter-module.html#select_row"><a title="simvoc.input.datafilter.select_row" class="py-name" href="#" onclick="return doclink('link-3', 'select_row', 'link-3');">select_row</a></tt><tt class="py-op">(</tt><tt class="py-name">row</tt><tt class="py-op">,</tt> <tt class="py-name">row_filter</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L155"></a><tt class="py-lineno">155</tt>  <tt class="py-line">      <tt class="py-name">out_data</tt> <tt class="py-op">=</tt> <tt id="link-4" class="py-name" targets="Function simvoc.input.datafilter.filter_row()=simvoc.input.datafilter-module.html#filter_row"><a title="simvoc.input.datafilter.filter_row" class="py-name" href="#" onclick="return doclink('link-4', 'filter_row', 'link-4');">filter_row</a></tt><tt class="py-op">(</tt><tt class="py-name">row</tt><tt class="py-op">,</tt> <tt class="py-name">col_filter</tt><tt class="py-op">)</tt> </tt>
<a name="L156"></a><tt class="py-lineno">156</tt>  <tt class="py-line">   <tt class="py-keyword">return</tt> <tt class="py-name">out_data</tt> </tt>
</div><a name="L157"></a><tt class="py-lineno">157</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L158"></a><tt class="py-lineno">158</tt>  <tt class="py-line"> </tt>
<a name="L159"></a><tt class="py-lineno">159</tt>  <tt class="py-line"> </tt>
<a name="timestamp_to_gmtime"></a><div id="timestamp_to_gmtime-def"><a name="L160"></a><tt class="py-lineno">160</tt> <a class="py-toggle" href="#" id="timestamp_to_gmtime-toggle" onclick="return toggle('timestamp_to_gmtime');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="simvoc.input.datafilter-module.html#timestamp_to_gmtime">timestamp_to_gmtime</a><tt class="py-op">(</tt><tt class="py-param">stamp</tt><tt class="py-op">,</tt> <tt class="py-param">fmt</tt><tt class="py-op">=</tt><tt class="py-string">'%Y-%m-%d-%H:%M'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="timestamp_to_gmtime-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="timestamp_to_gmtime-expanded"><a name="L161"></a><tt class="py-lineno">161</tt>  <tt class="py-line">   <tt class="py-docstring">'''</tt> </tt>
<a name="L162"></a><tt class="py-lineno">162</tt>  <tt class="py-line"><tt class="py-docstring">   Converts a timestamp in a format recognizable by the date module into a</tt> </tt>
<a name="L163"></a><tt class="py-lineno">163</tt>  <tt class="py-line"><tt class="py-docstring">   floating-point value containing seconds since the epoch in UTC.</tt> </tt>
<a name="L164"></a><tt class="py-lineno">164</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L165"></a><tt class="py-lineno">165</tt>  <tt class="py-line"><tt class="py-docstring">   @param stamp: Input timestamp</tt> </tt>
<a name="L166"></a><tt class="py-lineno">166</tt>  <tt class="py-line"><tt class="py-docstring">   @type stamp: str</tt> </tt>
<a name="L167"></a><tt class="py-lineno">167</tt>  <tt class="py-line"><tt class="py-docstring">   @param fmt: Format of timestamp, supported by L{calendar} module</tt> </tt>
<a name="L168"></a><tt class="py-lineno">168</tt>  <tt class="py-line"><tt class="py-docstring">   @type fmt: str</tt> </tt>
<a name="L169"></a><tt class="py-lineno">169</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L170"></a><tt class="py-lineno">170</tt>  <tt class="py-line"><tt class="py-docstring">   @rtype: float</tt> </tt>
<a name="L171"></a><tt class="py-lineno">171</tt>  <tt class="py-line"><tt class="py-docstring">   @return: floating-point time representation (UTC seconds)</tt> </tt>
<a name="L172"></a><tt class="py-lineno">172</tt>  <tt class="py-line"><tt class="py-docstring">   '''</tt> </tt>
<a name="L173"></a><tt class="py-lineno">173</tt>  <tt class="py-line">   <tt class="py-name">tp</tt> <tt class="py-op">=</tt> <tt class="py-name">time</tt><tt class="py-op">.</tt><tt class="py-name">strptime</tt><tt class="py-op">(</tt><tt class="py-name">stamp</tt><tt class="py-op">,</tt> <tt class="py-name">fmt</tt><tt class="py-op">)</tt> </tt>
<a name="L174"></a><tt class="py-lineno">174</tt>  <tt class="py-line">   <tt class="py-keyword">return</tt> <tt class="py-name">calendar</tt><tt class="py-op">.</tt><tt class="py-name">timegm</tt><tt class="py-op">(</tt><tt class="py-name">tp</tt><tt class="py-op">)</tt> </tt>
</div><a name="L175"></a><tt class="py-lineno">175</tt>  <tt class="py-line"><tt class="py-comment">#</tt> </tt>
<a name="L176"></a><tt class="py-lineno">176</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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